1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "runtime/deoptimization.hpp"
  27 #include "runtime/frame.inline.hpp"
  28 #include "runtime/stubRoutines.hpp"
  29 #ifdef TARGET_OS_FAMILY_linux
  30 # include "thread_linux.inline.hpp"
  31 #endif
  32 #ifdef TARGET_OS_FAMILY_solaris
  33 # include "thread_solaris.inline.hpp"
  34 #endif
  35 
  36 // Implementation of the platform-specific part of StubRoutines - for
  37 // a description of how to extend it, see the stubRoutines.hpp file.
  38 
  39 
  40 extern "C" {
  41   address _flush_reg_windows();   // in .s file.
  42   // Flush registers to stack. In case of error we will need to stack walk.
  43   address bootstrap_flush_windows(void) {
  44     Thread* thread = ThreadLocalStorage::get_thread_slow();
  45     // Very early in process there is no thread.
  46     if (thread != NULL) {
  47       guarantee(thread->is_Java_thread(), "Not a Java thread.");
  48       JavaThread* jt = (JavaThread*)thread;
  49       guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
  50     }
  51     return (address)_flush_reg_windows();
  52   };
  53 };
  54 
  55 address StubRoutines::Sparc::_test_stop_entry = NULL;
  56 address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
  57 address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
  58 
  59 address StubRoutines::Sparc::_partial_subtype_check = NULL;
  60 
  61 int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked;
  62 
  63 int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];